Exposure
- ID
- GRAVI.2025-08-07T01:40:25.973_1
- Header ID
- GRAVI.2025-08-07T01:40:25.973
- Date updated
- 2025-08-07 01:55:39 UTC+0000
- Release date
- 2026-08-07 01:55:39 UTC+0000
- UTC Start
- 2025-08-07 01:40:25.973
- UTC End
- 2025-08-07 01:46:25.973
- MJD Start
- 60894.06974506
- MJD End
- 60894.073911726664
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0031615000000000002
- Ambient temperature (°C)
- 13.91
- Seeing (arcsec)
- 1.26
Observation
- ID
- 69334
- Category
- science
- Program ID
- 115.27WT.004
- Program Title
- THE GALACTIC CENTER WITH GRAVITY(+) - PROBING EVENT HORIZON SCALE PHYSICS WITH STARS AND FLARES
- Program Type
- GTO
- PI / COI
- EISENHAUER / GILLESSEN / GENZEL / OTT / MANG / DRESCHER / RIBEIRO / SADUN BORDONI / STRAUBMEIER / GARCIA / PAUMARD / BOURDAROT / STURM / LUTZ / LE BOUQUIN / CAO / KREIDBERG / HOENIG / FOSCHI / PERRIN / CARDOSO / AIMAR / URSO / ABD EL DAYEM / ROUSSELET-PER
Target
- ID
- 51528
- Name
- SGRA
- RA
- 266.417239
- DEC
- -29.00731
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.3070 | 56.2420 | 27.7000 | 28.3000 |
| U1-U3 | 101.9640 | 101.8180 | 34.0000 | 34.7000 |
| U1-U4 | 129.7100 | 129.4300 | 62.1890 | 62.9060 |
| U2-U3 | 46.4270 | 46.3470 | 41.8000 | 42.4000 |
| U2-U4 | 89.2230 | 89.0480 | 83.1470 | 83.9160 |
| U3-U4 | 62.4510 | 62.3990 | 112.5830 | 113.3850 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 115.27WT.004 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60894.06974506 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.417239 |
| DEC | -29.00731 |
| HIERARCH ESO INS SPEC RES | LOW |
| HIERARCH ESO INS POLA MODE | SPLIT |
| HIERARCH ESO ISS CONF NTEL | 4 |
| HIERARCH ESO ISS CONF STATION1 | U1 |
| HIERARCH ESO ISS CONF STATION2 | U2 |
| HIERARCH ESO ISS CONF STATION3 | U3 |
| HIERARCH ESO ISS CONF STATION4 | U4 |
| EXPTIME | 389.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 12 |
| HIERARCH ESO ISS PBL12 START | 56.307 |
| HIERARCH ESO ISS PBL12 END | 56.242 |
| HIERARCH ESO ISS PBLA12 START | 27.7 |
| HIERARCH ESO ISS PBLA12 END | 28.3 |
| HIERARCH ESO ISS PBL13 START | 101.964 |
| HIERARCH ESO ISS PBL13 END | 101.818 |
| HIERARCH ESO ISS PBLA13 START | 34.0 |
| HIERARCH ESO ISS PBLA13 END | 34.7 |
| HIERARCH ESO ISS PBL14 START | 129.71 |
| HIERARCH ESO ISS PBL14 END | 129.43 |
| HIERARCH ESO ISS PBLA14 START | 62.189 |
| HIERARCH ESO ISS PBLA14 END | 62.906 |
| HIERARCH ESO ISS PBL23 START | 46.427 |
| HIERARCH ESO ISS PBL23 END | 46.347 |
| HIERARCH ESO ISS PBLA23 START | 41.8 |
| HIERARCH ESO ISS PBLA23 END | 42.4 |
| HIERARCH ESO ISS PBL24 START | 89.223 |
| HIERARCH ESO ISS PBL24 END | 89.048 |
| HIERARCH ESO ISS PBLA24 START | 83.147 |
| HIERARCH ESO ISS PBLA24 END | 83.916 |
| HIERARCH ESO ISS PBL34 START | 62.451 |
| HIERARCH ESO ISS PBL34 END | 62.399 |
| HIERARCH ESO ISS PBLA34 START | 112.583 |
| HIERARCH ESO ISS PBLA34 END | 113.385 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003311 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003012 |
| HIERARCH ESO ISS AMBI TEMP | 13.91 |
| HIERARCH ESO ISS AMBI FWHM START | 1.21 |
| HIERARCH ESO ISS AMBI FWHM END | 1.31 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0980 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6520 |